參數(shù)資料
型號: DSPIC33FJ256MC710T-I/PT
廠商: Microchip Technology
文件頁數(shù): 47/90頁
文件大小: 0K
描述: IC DSPIC MCU/DSP 256K 100TQFP
產(chǎn)品培訓模塊: dsPIC33F DMAC
Asynchronous Stimulus
標準包裝: 1,200
系列: dsPIC™ 33F
核心處理器: dsPIC
芯體尺寸: 16-位
速度: 40 MIP
連通性: CAN,I²C,IrDA,LIN,SPI,UART/USART
外圍設備: 欠壓檢測/復位,DMA,電機控制 PWM,QEI,POR,PWM,WDT
輸入/輸出數(shù): 85
程序存儲器容量: 256KB(256K x 8)
程序存儲器類型: 閃存
RAM 容量: 30K x 8
電壓 - 電源 (Vcc/Vdd): 3 V ~ 3.6 V
數(shù)據(jù)轉換器: A/D 24x10b/12b
振蕩器型: 內(nèi)部
工作溫度: -40°C ~ 85°C
封裝/外殼: 100-TQFP
包裝: 帶卷 (TR)
配用: AC164333-ND - MODULE SKT FOR PM3 100QFP
MA330013-ND - MODULE PLUG-IN DSPIC33 100TQFP
DV164033-ND - KIT START EXPLORER 16 MPLAB ICD2
DM240001-ND - BOARD DEMO PIC24/DSPIC33/PIC32
2005 Microchip Technology Inc.
Preliminary
DS70155C-page 49
dsPIC33F
TABLE 11-4:
FUNCTION EXECUTION TIMES
11.4
dsPICworks Data Analysis and
DSP Software
The dsPICworks tool is a free data analysis and signal
processing
package
for
use
with
Microsoft
Windows 9x, Windows NT, Windows 2000 and
Windows XP platforms. It provides an extensive
number of functions encompassing:
Wide variety of Signal Generators – Sine, Square,
Triangular, Window Functions, Noise
Extensive DSP Functions – FFT, DCT, Filtering,
Convolution, Interpolation
Extensive Arithmetic Functions – Algebraic
Expressions, Data Scaling, Clipping, etc.
1-D, 2-D and 3-D Displays
Multiple Data Quantization and Saturation
Options
Multi-Channel Data Support
Automatic “Script File”-based Execution Options
available for any user-defined sequence of
dsPICworks Tool Functions
File Import/Export interoperable with MPLAB IDE
Digital Filtering Options support Filters generated
by dsPIC DSC Filter Design
ASM30 Assembler File Option to export Data
Tables into dsPIC33F RAM
FIGURE 11-1:
dsPICworks
DATA
ANALYSIS AND DSP
SOFTWARE
Function
Cycle Count
Equation
Conditions(1)
Number of
Cycles(2)
Execution Time @
40 MIPS
Complex FFT(3)
N = 64
3739
93.5
μs
Complex FFT(3)
N = 128
8485
212.1
μs
Complex FFT(3)
N = 256
19055
476.4
μs
Block FIR
53 + N(4 + M)
N = 32, M = 32
1205
30.1
μs
Block FIR Lattice
41 + N(4 + 7M)
N = 32, M = 32
7337
183.4
μs
Block IIR Canonic
36 + N(8 + 7S)
N = 32, S = 4
1188
29.7
μs
Block IIR Lattice
46 + N(16 + 7M)
N = 32, M = 8
2350
58.8
μs
Matrix Add
20 + 3(C * R)
C = 8, R = 8
212
5.3
μs
Matrix Transpose
16 + C(6 + 3(R – 1))
C = 8, R = 8
232
5.8
μs
Vector Dot Product
17 + 3N
N = 32
113
2.8
μs
Vector Max
19 + 7(N – 2)
N = 32
229
5.7
μs
Vector Multiply
17 + 4N
N = 32
145
3.6
μs
Vector Power
16 + 2N
N = 32
80
2.0
μs
Note 1:
C = # columns, N = # samples, M = # taps, S = # sections, R = # rows.
2:
1 cycle = 25 nanoseconds @ 40 MIPS.
3:
Complex FFT routine inherently prevents overflow.
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